553644506251172 has 48 divisors (see below), whose sum is σ = 1120373081318400. Its totient is φ = 234488021064192.

The previous prime is 553644506251163. The next prime is 553644506251217. The reversal of 553644506251172 is 271152605446355.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322751297 + ... + 324462152.

It is an arithmetic number, because the mean of its divisors is an integer number (23341105860800).

Almost surely, 2^{553644506251172} is an apocalyptic number.

It is an amenable number.

553644506251172 is an abundant number, since it is smaller than the sum of its proper divisors (566728575067228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553644506251172 is a wasteful number, since it uses less digits than its factorization.

553644506251172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647213820 (or 647213818 counting only the distinct ones).

The product of its (nonzero) digits is 30240000, while the sum is 56.

The spelling of 553644506251172 in words is "five hundred fifty-three trillion, six hundred forty-four billion, five hundred six million, two hundred fifty-one thousand, one hundred seventy-two".